Editors' review

February 16, 2017

Download The Firm

We have the formula. You keep score.

Track your performance and start training smarter with the FIRM factor™, a comprehensive score created by the data collected from your training sessions. Using our heart rate monitoring technology, we’re able to generate your FIRM factor score, as well as calories burned, maximum heart rate and time spent in each heart rate zone. Measure your workout, set your goals and reach your full potential.